US2998550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for powering a plurality of semi-conducting units from a single radioactive battery
Assignee: RCA Corp
•
Filing: 1954-06-30
•
Granted: 1961-08-29
•
Expires: 1974-06-30
Abstract
No abstract record available.
Inventors
- 👤 Warren T Collins
- 👤 Rappaport Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
G; G21; G21H; G21H1/00; G21H1/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2655625A
Cited
US2669635A
Cited
US2735948A
Cited
US2754431A
Cited
US2816228A
Cited
US2870344A
Cited
US2745973A
Cited
US2713644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |